GLONASS

The System: Autumn Falls Back

November 1, 2013By
Delta IV, the current GPS launch vehicle, awaits a date with space at Cape Canaveral.

Launch Delays Ground GPS IIF and Galileo FOC The scheduled October 23 launch of GPS IIF-5, the fifth in the current “follow-on” generation of GPS satellites, has been postponed in order to complete a review of an adjustment made to the rocket’s upper stage engine. A loss of thrust by a Delta IV rocket upper stage during a GPS launch last... read more

Registration Opens for Munich Satellite Navigation Summit 2014

September 12, 2013By
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Registration is now open for Munich Satellite Navigation Summit 2014, which will be held March 25-27, 2014, at the Residenz Muenchen in Munich, Germany. The summit will have a booth (Booth H) in the exhibit hall at the ION GNSS+ conference next week in Nashville, Tennessee. The conference is offering a special ION rate for those who register no later... read more

The System: IRNSS Signal Close up

September 1, 2013By and

IRNSS Signal Close up By Richard Langley, Steffen Thoelert, and Michael Meurer The spectrum of signals from IRNSS-1A, the first satellite in the Indian Regional Navigation Satellite System, as recorded by German Aerospace Center researchers in late July, appears to be consistent with a combination of BPSK(1) and BOC(5,2) modulation. Figure 1 shows that, centered at 1176.45 MHz, the signal... read more

This article is tagged with and posted in Augmentation & Assistance, Galileo, GLONASS, GPS Modernization, The System

The System: IRNSS Success, GLONASS Bellyflop

August 1, 2013By

IRNSS Success The Indian Regional Navigation Satellite System (IRNSS) successfully launched its first satellite on July 1 from the Satish Dhawan Space Centre at Sriharikota spaceport on the Bay of Bengal. An Indian-built Polar Satellite Launch Vehicle PSLV-C22, XL version, carried the 1,425-kg satellite aloft. IRNSS-1A is the first of seven satellites that will make up the new constellation: four satellites... read more

This article is tagged with , , and posted in GLONASS, GPS Modernization, The System

Russian Officials Concerned over Reduced GLONASS Funding

July 31, 2013By

Plans to reduce funding for GLONASS is causing concern among deputies of the State Duma. The government officials predict a loss of trust in the world by the Russian navigation system, according to a July 29 Roscosmos article. Reduced funding of GLONASS will lead to a reduction of the orbital grouping system below acceptable levels, according to the first deputy... read more

This article is tagged with and posted in GLONASS, GNSS News, Latest News

Russia to Launch Two GLONASS Satellites After Proton Disaster

July 17, 2013By

Ria Novosti reports that Russia will launch two GLONASS navigation satellites later this year to make up for the loss of three satellites in the recent Proton rocket explosion after launch from the Baikonur space center in Kazakhstan, according to a senior space industry official. “We are planning to launch two satellites from the Plesetsk space center [in northern Russia]... read more

This article is tagged with and posted in GLONASS, GNSS News, Latest News

Rohde & Schwarz GNSS Simulator Creates Real-World Scenarios

July 15, 2013By
R-S-screenshot

Rohde & Schwarz provides developers of satellite-based navigation instruments with a global navigation satellite system (GNSS) simulator, which runs on the R&S SMBV100A vector signal generator. The new R&S SMBV-K101 option allows developers in the automotive and wireless communications industries, for example, to test GNSS receivers for specific effects such as obscuration and multipath propagation. Buildings, tunnels and bridges as... read more

Russian Rocket Crashes, Three GLONASS Satellites Lost

July 2, 2013By
Screen shot 2013-07-01 at 11.09.41 PM

A Russian Proton-M rocket carrying three GLONASS navigation satellites crashed soon after liftoff today from Kazakhstan’s Baikonur cosmodrome, reports rt.com (Russia Today). About 10 seconds after takeoff at 02:38 UTC, the rocket swerved, began to correct, but then veered in the opposite direction. It then flew horizontally and started to come apart with its engines in full thrust. Making an... read more

This article is tagged with and posted in GLONASS, GNSS News, Latest News